Sanborn Fire Insurance Map from Washington Suburban, District of Columbia, District of Columbia. Sanborn Map Company, - May 1959, Vol. 4, 1959. Map. https://www.loc.gov/item/sanborn01228_007/.
Based on 1939 edition. Some plates are dated individually. The volume index is dated 1954. Some plates have revision dates up to 1960.
Plate 408: https://www.loc.gov/resource/g3851gm.g3851gm_g01228195904/?sp=10&r=-0.123,-0.001,1.147,0.727,0
Plate 409: https://www.loc.gov/resource/g3851gm.g3851gm_g01228195904/?sp=11&r=-0.118,-0.073,1.154,0.731,0